Children younger than 9 years should not be given tetracyclines because:

it may interfere with cartilage development

Children become dehydrated easily

photosensitivity may occur

children's teeth may become discolored

Answer and Explanation

The Correct Answer is D

A. It may interfere with cartilage development: Tetracyclines can deposit in developing bones and teeth, potentially causing discoloration and affecting bone growth in children.
B. Children become dehydrated easily: While dehydration is a concern in any illness, it's not the specific reason to avoid tetracyclines in children.
C. Photosensitivity may occur: Photosensitivity can be a side effect of some medications, but it's not the main reason to avoid tetracyclines in children.
D. Children's teeth may become discoloured: Tetracycline can stain developing teeth, causing permanent discoloration. This is the major reason to avoid them in young children.

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Correct Answer is C

Explanation

A. Discoloration of body fluids: Discoloration of body fluids is commonly associated with rifampin, not vancomycin.
B. Ototoxicity: Ototoxicity is a serious adverse effect of vancomycin, but it is not related to histamine release. It results from damage to the auditory nerve.
C. Red-man syndrome: Red-man syndrome is a unique adverse effect of vancomycin characterized by flushing, rash, and pruritus, usually due to rapid infusion causing histamine release. It is not an allergic reaction but a direct effect of the drug.
D. Nephrotoxicity: Nephrotoxicity is another serious adverse effect of vancomycin, but it is related to the drug's toxic effects on the kidneys, not histamine release.

A. Obtain a platelet count B. Obtain a blood pressure C. Obtain a urine specimen for culture and sensitivity D. Obtain a PTT

Correct Answer is C

Explanation

A. Obtain a platelet count: Platelet count is not routinely required before antibiotics for a UTI.
B. Obtain a blood pressure: Blood pressure is not a priority for a UTI but might be checked for other reasons.
C. Obtain a urine specimen for culture and sensitivity: This is the most important step. Culturing the urine helps identify the specific bacteria causing the infection and determine the most effective antibiotic. Knowing the sensitivity profile helps select the antibiotic most likely to work against that particular bacteria.
D. Obtain a PTT: PTT (partial thromboplastin time) is not routinely required before antibiotics for a UTI.

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Children younger than 9 years should not be given tetracyclines because:

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Naxlex Comprehensive Predictor Exams

Which adverse effect unique to vancomycin is caused by histamine release?

Correct Answer is C

Explanation

The nurse is caring for a client with a diagnosis of urinary tract infection. The physician has ordered an antibiotic. What is the priority prior to administering this medication?

Correct Answer is C

Explanation

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